225180071 has 2 divisors, whose sum is σ = 225180072. Its totient is φ = 225180070.

The previous prime is 225180047. The next prime is 225180083. The reversal of 225180071 is 170081522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225180071 - 2²² = 220985767 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225180071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225180091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112590035 + 112590036.

It is an arithmetic number, because the mean of its divisors is an integer number (112590036).

Almost surely, 2^225180071 is an apocalyptic number.

225180071 is a deficient number, since it is larger than the sum of its proper divisors (1).

225180071 is an equidigital number, since it uses as much as digits as its factorization.

225180071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 225180071 is about 15006.0011662001. The cubic root of 225180071 is about 608.3824123202.

The spelling of 225180071 in words is "two hundred twenty-five million, one hundred eighty thousand, seventy-one".